date:Jun 18, 2016
price:unfilled
Delivery time:3days
contact
company:CIXI CITY ZHENCHENG MACHINERY CO.,LTD
send:click send
name:MRWANG(Mr.)
telephone:86-574-63407511
mobile:15824577939
fax:86-574-63407711
adress:Cangtian Industrial Development Zone,Changhe Town,Cixi Zhenjiang Province, China
Email:jianfeng30@aliyun.com
Details
Product instruction：A screw,Website:http://www.nbzhencheng.com, or bolt, is a type of fastener, typically made of metl, and characterized by a helical ridge,known as a male thread (external thread) or just thread, wrapped around a cylinder. Some screwthreads are designed to mate with a complementary thread, known as a female thread (internal thread),often in the form of a nut or an object that has the internal thread formed into it. Other screwthreads are designed to cut a helical groove in a s